2550550 has 24 divisors (see below), whose sum is σ = 4910400. Its totient is φ = 984480.

The previous prime is 2550497. The next prime is 2550551. The reversal of 2550550 is 550552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 571 + ... + 2329.

It is an arithmetic number, because the mean of its divisors is an integer number (204600).

2^2550550 is an apocalyptic number.

2550550 is a deficient number, since it is larger than the sum of its proper divisors (2359850).

2550550 is a wasteful number, since it uses less digits than its factorization.

2550550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800 (or 1795 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 22.

The square root of 2550550 is about 1597.0441446623. The cubic root of 2550550 is about 136.6295424315.

The spelling of 2550550 in words is "two million, five hundred fifty thousand, five hundred fifty".